Skip to main content

All Questions

Filter by
Sorted by
Tagged with
18 votes
3 answers
20k views

Is it true that most of the engine wear during its life time occurs during a cold start up?

I have heard this idea several times, but is it true? Theories I read about why that might be true: The engine is running rich at startup because it is running in open loop, which can cause damage ...
method's user avatar
  • 2,770